Fix more compiler warnings

companion/src/firmwares/edgetx/yaml_modeldata.cpp

@@ -75,7 +75,7 @@ struct YamlThrTrace {
     Boards board(getCurrentBoard());
     int pots = board.getCapability(Board::Pots);
     int sliders = board.getCapability(Board::Sliders);
-    if (cpn_value < pots + sliders) {
+    if (cpn_value < (unsigned int)(pots + sliders)) {
       src = RawSource(SOURCE_TYPE_STICK, 4/* sticks */ + cpn_value);
     }
     else {
@@ -198,7 +198,7 @@ struct convert<YamlTrim> {
     return true;
   }
 };
-  
+
 template <>
 struct convert<FlightModeData> {
   static Node encode(const FlightModeData& rhs)

companion/src/firmwares/edgetx/yaml_ops.h

@@ -99,7 +99,7 @@ void operator>>(const YAML::Node& node, T (&value)[N])
     for (const auto& elmt : node) {
       try {
         int idx = std::stoi(elmt.first.Scalar());
-        if (idx < 0 || idx >= N) return;
+        if (idx < 0 || idx >= (int)N) return;
 
         elmt.second >> value[idx];
       } catch (...) {
@@ -134,7 +134,7 @@ struct convert_array
     return node;
   }
 };
-  
+
 template <typename T>
 struct convert_enum
 {